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Message-ID: <201802031025.7yGP7jBF%fengguang.wu@intel.com>
Date: Sat, 3 Feb 2018 10:39:46 +0800
From: kbuild test robot <lkp@...el.com>
To: Mathieu Malaterre <malat@...ian.org>
Cc: kbuild-all@...org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
Mathieu Malaterre <malat@...ian.org>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Tomi Valkeinen <tomi.valkeinen@...com>,
linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] Fix loading of module radeonfb on PowerMac
Hi Mathieu,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.15 next-20180202]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Mathieu-Malaterre/Fix-loading-of-module-radeonfb-on-PowerMac/20180203-085907
config: x86_64-randconfig-x009-201804 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from drivers/video/fbdev/aty/radeon_base.c:91:0:
>> drivers/video/fbdev/aty/../edid.h:21:0: warning: "EDID_LENGTH" redefined
#define EDID_LENGTH 0x80
In file included from include/drm/drm_crtc.h:44:0,
from include/drm/drm_fb_helper.h:35,
from drivers/video/fbdev/aty/radeon_base.c:73:
include/drm/drm_edid.h:32:0: note: this is the location of the previous definition
#define EDID_LENGTH 128
Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64
Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64
Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
Cyclomatic Complexity 1 include/linux/string.h:strnlen
Cyclomatic Complexity 4 include/linux/string.h:strlen
Cyclomatic Complexity 6 include/linux/string.h:strlcpy
Cyclomatic Complexity 4 include/linux/string.h:memcpy
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_disable
Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_enable
Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irqrestore
Cyclomatic Complexity 1 include/linux/jiffies.h:_msecs_to_jiffies
Cyclomatic Complexity 3 include/linux/jiffies.h:msecs_to_jiffies
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:readb
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:readw
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:readl
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:writeb
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:writel
Cyclomatic Complexity 1 arch/x86/include/asm/io.h:ioremap
Cyclomatic Complexity 1 include/linux/kobject.h:kobject_name
Cyclomatic Complexity 2 include/linux/device.h:dev_name
Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata
Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata
Cyclomatic Complexity 1 include/linux/io.h:arch_phys_wc_add
Cyclomatic Complexity 1 include/linux/io.h:arch_phys_wc_del
Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large
Cyclomatic Complexity 3 include/linux/slab.h:kmalloc
Cyclomatic Complexity 1 include/linux/slab.h:kzalloc
Cyclomatic Complexity 1 include/linux/pci.h:pci_get_drvdata
Cyclomatic Complexity 1 include/linux/pci.h:pci_set_drvdata
Cyclomatic Complexity 1 include/linux/pci.h:pci_name
Cyclomatic Complexity 2 include/linux/fb.h:alloc_apertures
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeonfb.h:radeon_pll_errata_after_index
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeonfb.h:radeon_pll_errata_after_data
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeonfb.h:round_div
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeonfb.h:var_to_depth
Cyclomatic Complexity 5 drivers/video/fbdev/aty/radeonfb.h:radeon_get_dstbpp
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeonfb.h:radeonfb_bl_init
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeonfb.h:radeonfb_bl_exit
Cyclomatic Complexity 1 include/drm/drm_fb_helper.h:drm_fb_helper_remove_conflicting_framebuffers
Cyclomatic Complexity 21 drivers/video/fbdev/aty/radeon_base.c:radeon_calc_pll_regs
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:radeonfb_exit
Cyclomatic Complexity 6 drivers/video/fbdev/aty/radeon_base.c:radeon_find_mem_vbios
Cyclomatic Complexity 4 drivers/video/fbdev/aty/radeon_base.c:radeon_kick_out_firmware_fb
Cyclomatic Complexity 5 drivers/video/fbdev/aty/radeon_base.c:radeonfb_pci_unregister
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:radeon_show_one_edid
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:radeon_show_edid2
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:radeon_show_edid1
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeon_base.c:radeon_set_fbinfo
Cyclomatic Complexity 18 drivers/video/fbdev/aty/radeon_base.c:radeonfb_check_var
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeon_base.c:radeon_unmap_ROM
Cyclomatic Complexity 7 drivers/video/fbdev/aty/radeon_base.c:radeon_map_ROM
Cyclomatic Complexity 16 drivers/video/fbdev/aty/radeon_base.c:radeonfb_setup
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeon_base.c:radeonfb_init
Cyclomatic Complexity 8 drivers/video/fbdev/aty/radeon_base.c:_radeon_msleep
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:radeon_pll_errata_after_index_slow
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:radeon_pll_errata_after_data_slow
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:_OUTREGP
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:__INPLL
Cyclomatic Complexity 20 drivers/video/fbdev/aty/radeon_base.c:radeon_probe_pll_params
Cyclomatic Complexity 10 drivers/video/fbdev/aty/radeon_base.c:radeon_get_pllinfo
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:radeon_save_state
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:__OUTPLL
Cyclomatic Complexity 1 drivers/video/fbdev/aty/radeon_base.c:__OUTPLLP
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:_radeon_fifo_wait
Cyclomatic Complexity 17 drivers/video/fbdev/aty/radeon_base.c:radeon_write_pll_regs
Cyclomatic Complexity 25 drivers/video/fbdev/aty/radeon_base.c:radeon_identify_vram
Cyclomatic Complexity 31 drivers/video/fbdev/aty/radeon_base.c:radeonfb_pci_register
Cyclomatic Complexity 10 drivers/video/fbdev/aty/radeon_base.c:radeonfb_ioctl
Cyclomatic Complexity 4 drivers/video/fbdev/aty/radeon_base.c:radeonfb_pan_display
Cyclomatic Complexity 16 drivers/video/fbdev/aty/radeon_base.c:radeon_setcolreg
Cyclomatic Complexity 9 drivers/video/fbdev/aty/radeon_base.c:radeonfb_setcmap
Cyclomatic Complexity 6 drivers/video/fbdev/aty/radeon_base.c:radeonfb_setcolreg
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:radeon_engine_flush
Cyclomatic Complexity 3 drivers/video/fbdev/aty/radeon_base.c:_radeon_engine_idle
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeon_base.c:radeon_lvds_timer_func
Cyclomatic Complexity 17 drivers/video/fbdev/aty/radeon_base.c:radeon_screen_blank
Cyclomatic Complexity 2 drivers/video/fbdev/aty/radeon_base.c:radeonfb_blank
Cyclomatic Complexity 7 drivers/video/fbdev/aty/radeon_base.c:radeon_write_mode
Cyclomatic Complexity 42 drivers/video/fbdev/aty/radeon_base.c:radeonfb_set_par
In file included from drivers/video/fbdev/aty/radeon_base.c:91:0:
>> drivers/video/fbdev/aty/../edid.h:21:0: warning: "EDID_LENGTH" redefined
#define EDID_LENGTH 0x80
In file included from include/drm/drm_crtc.h:44:0,
from include/drm/drm_fb_helper.h:35,
from drivers/video/fbdev/aty/radeon_base.c:73:
include/drm/drm_edid.h:32:0: note: this is the location of the previous definition
#define EDID_LENGTH 128
vim +/EDID_LENGTH +21 drivers/video/fbdev/aty/../edid.h
^1da177e drivers/video/edid.h Linus Torvalds 2005-04-16 20
^1da177e drivers/video/edid.h Linus Torvalds 2005-04-16 @21 #define EDID_LENGTH 0x80
^1da177e drivers/video/edid.h Linus Torvalds 2005-04-16 22 #define EDID_HEADER 0x00
^1da177e drivers/video/edid.h Linus Torvalds 2005-04-16 23 #define EDID_HEADER_END 0x07
^1da177e drivers/video/edid.h Linus Torvalds 2005-04-16 24
:::::: The code at line 21 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
---
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